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HEF4000 series LOCMOS IC's: HEF 4316 to HEF 40208
  
The very useful building blocks HEF / CD 4000 series of LOCMOS logic IC's.
Please note, we currently stock some of the listed chips on this page, however other
HEF 4000 or CD series we can order these in depending on availability and "lead" times.
Email us :sales@unitechelectronics.com
HEF-4316
Quad analog switches with enable input and dual power supply.
VEE supply may not be more positive than GND.
+---+--+---+
1X |1 +--+ 16| VCC
1Y |2 15| 1EN
2Y |3 14| 4EN
2X |4 13| 4X2
EN |5 4316 12| 4Y3
EN |6 11| 3Y
EN |7 10| 3X
GND |8 9| VEE
+----------+
HEF-4351
8-to-1 line analog multiplexer/demultiplexer with address latch
and dual power supply. VEE supply may not be more positive than GND.
+---+--+---+
1X0 |1 +--+ 18| VCC
1X1 |2 17| X2
2X1 |3 16| X1
2Y |4 15| X0
2X0 |5 4351 14| X3
/EN |6 13| S0
EN |7 12| S1
VEE |8 11| S2
GND |9 10| LE
+----------+
HEF-4352
8-to-2 line analog multiplexer/demultiplexer with address latch and
dual power supply. VEE supply may not be more positive than GND.
+---+--+---+
1X0 |1 +--+ 18| VCC
1X2 |2 17| 2X2
1Y |3 16| 2X1
1X3 |4 15| 2Y
1X1 |5 4352 14| 2X0
/EN |6 13| 2X3
EN |7 12| S0
VEE |8 11| S1
GND |9 10| LE
+----------+
HEF-4353
Triple 2-to-1 line analog multiplexer/demultiplexer with address latch
and dual power supply. VEE supply may not be more positive than GND.
+---+--+---+
1X0 |1 +--+ 18| VCC
1X1 |2 17| 1Y
2X1 |3 16| 3Y
2Y |4 15| 3X1
2X0 |5 4353 14| 3X0
/EN |6 13| 3S
EN |7 12| 1S
VEE |8 11| 2S
GND |9 10| LE
+----------+
HEF-4500
An Industrial Control Unit. RISC, An Alternative is the 'MC14500B , this I.C.
can be seen in the Industrial Control Unit Handbook' from Freescale ( Motorola ).
+---+--+---+
RST |1 +--+ 16| VCC
WR |2 15| RR
D |3 14| X0
I3 |4 13| X1
I2 |5 4500 12| JMP
I1 |6 11| RTN
I0 |7 10| FLG0
GND |8 9| FLGF
+----------+
HEF-4502
6-bit 3-state inverting buffer/line driver with NOR inputs.
+---+--+---+ +---+---+---+---+
A0 |1 +--+ 16| VCC |/OE| A | B I/Y |
/Y0 |2 15| A5 +===+===+===+===+
A1 |3 14| /Y5 | 1 | X | X I Z |
/OE |4 13| A4 | 0 | 0 | 0 I 1 |
/Y1 |5 4502 12| B | 0 | 1 | 0 I 0 |
A2 |6 11| /Y4 | 0 | X | 1 I 0 |
/Y2 |7 10| A3 +---+---+---+---+
GND |8 9| /Y3
+----------+
HEF-4503
2 / 4-bit 3-state noninverting buffer / line driver.
+---+--+---+ +---+---+---+
/1OE |1 +--+ 16| VCC |/OE| A I Y |
1A1 |2 15| /2OE +===+===+===+
1Y1 |3 14| 2A2 | 1 | X I Z |
1A2 |4 13| 2Y2 | 0 | 0 I 0 |
1Y2 |5 4503 12| 2A1 | 0 | 1 I 1 |
1A3 |6 11| 2Y1 +---+---+---+
1Y3 |7 10| 1A4
GND |8 9| 1Y4
+----------+
HEF-4508
Dual 4-bit 3-state transparent latch with reset.
+-----+--+-----+ +---+---+---+---+
1RST |1 +--+ 24| VCC |/OE| LE| D I Q |
1LE |2 23| 2Q3 +===+===+===+===+
/1OE |3 22| 2D3 | 1 | X | X I Z |
1D0 |4 21| 2Q2 | 0 | 0 | X I - |
1Q0 |5 20| 2D2 | 0 | 1 | 0 I 0 |
1D1 |6 19| 2Q1 | 0 | 1 | 1 I 1 |
1Q1 |7 4508 18| 2D1 +---+---+---+---+
1D2 |8 17| 2Q0
1Q2 |9 16| 2D0
1D3 |10 15| /2OE
1Q3 |11 14| 2LE
GND |12 13| 2RST
+--------------+
HEF-4510
4-bit synchronous decade up/down counter with asynchronous
with load, reset and ripple carry output.
+---+--+---+
LD |1 +--+ 16| VCC
Q3 |2 15| CLK
P3 |3 14| Q2
P0 |4 13| P2
/RCI |5 4510 12| P1
Q0 |6 11| Q1
/RCO |7 10| UP//DN
GND |8 9| RST
+----------+
HEF-4512
8-to-1 line 3-state data selector / multiplexer with AND inputs.
+---+--+---+
A0 |1 +--+ 16| VCC Y = An./B
A1 |2 15| /OE
A2 |3 14| Y
A3 |4 13| S2
A4 |5 4512 12| S1
A5 |6 11| S0
A6 |7 10| /B
GND |8 9| A7
+----------+
HEF-4514
1-of-16 non-inverting decoder / demultiplexer with address latches.
+---+--+---+
LE |1 +--+ 24| VCC
S0 |2 23| /EN
S1 |3 22| S3
Y7 |4 21| S2
Y6 |5 20| Y10
Y5 |6 19| Y11
Y4 |7 4514 18| Y8
Y3 |8 17| Y9
Y2 |9 16| Y15
Y1 |10 15| Y14
Y0 |11 14| Y13
GND |12 13| Y12
+----------+
HEF-4516
4-bit synchronous binary up/down counter with asynchronous
load, reset andripple carry output.
+---+--+---+
LD |1 +--+ 16| VCC
Q3 |2 15| CLK
P3 |3 14| Q2
P0 |4 13| P2
/RCI |5 4516 12| P1
Q0 |6 11| Q1
/RCO |7 10| UP//DN
GND |8 9| RST
+----------+
HEF-4518
Dual 4-bit asynchronous decade counters with reset
and both active high andactive low clocks.
+---+--+---+
1CLK |1 +--+ 16| VCC
/1CLK |2 15| 2RST
1Q0 |3 14| 2Q3
1Q1 |4 13| 2Q2
1Q2 |5 4518 12| 2Q1
1Q3 |6 11| 2Q0
1RST |7 10| /2CLK
GND |8 9| 2CLK
+----------+
HEF-4521
24-bit asynchronous binary counter with oscillator and Res. For the
buffer to be used, GND' at input,and one CMOS buffer with separate
power supply.Q0 ... Q17 outputs are missing. and VCC' must be
connected to GND and VCC (optionally using series resistors).eg: 47ohm.
+---+--+---+ +---+---+
Q24 |1 +--+ 16| VCC | A I Y |
RST |2 15| Q23 +===+===+
GND' |3 14| Q22 | 0 I 0 |
Y |4 13| Q21 | 1 I 1 |
VCC' |5 4521 12| Q20 +---+---+
A |6 11| Q19
X0 |7 10| Q18
GND |8 9| X1
+----------+
HEF-4527
4-bit synchronous decade rate multiplier.
+---+--+---+
Q9 |1 +--+ 16| VCC
D2 |2 15| D1
D3 |3 14| D0
SET9 |4 13| RST
/Q |5 4527 12| CASC
Q |6 11| CIN
COUT |7 10| STB
GND |8 9| CLK
+----------+
HEF-4532
8-to-3 line noninverting priority encoder with cascade inputs.
+---+--+---+
A4 |1 +--+ 16| VCC
A5 |2 15| EO
A6 |3 14| GS
A7 |4 13| A3
EI |5 4532 12| A2
Y2 |6 11| A1
Y1 |7 10| A0
GND |8 9| Y0
+----------+
HEF-4536
A 24-bit programmable frequency divider / digital timer with oscillator,
set and reset inputs. Digitally programmable from 2^1 to 2^24. Connect
MONO via a >10k resistor to ground for square wave output,or to
a RC network (R to VCC) for a controlled output pulse width.Maximum
Maximum guaranteed clock frequency is 500kHz or less.
+---+--+---+
SET |1 +--+ 16| VCC
RST |2 15| MONO
X1 |3 14| /XEN
X0 |4 13| Q
X2 |5 4536 12| S3
/DIV256 |6 11| S2
CLKEN |7 10| S1
GND |8 9| S0
+----------+
HEF-4538
Dual precision monostable multivibrator with Schmitt-trigger inputs.
Retriggerable, resettable.For 74HC4538 the Cext pins may be grounded.
+---+--+---+
1Cext |1 +--+ 16| VCC
1RCext |2 15| 2Cext
1RST |3 14| 2RCext
1TR |4 13| 2RST
/1TR |5 4538 12| 2TR
1Q |6 11| /2TR
/1Q |7 10| 2Q
GND |8 9| /2Q
+----------+
HEF-4543
BCD to 7-segment decoder / LCD driver with input latch.
The P ( Phase ) input should be connected to the backplane
of the LCD.
+---+--+---+
LE |1 +--+ 16| VCC
A2 |2 15| YF
A1 |3 14| YG
A3 |4 13| YE
A0 |5 4543 12| YD
@ |6 11| YC
BI |7 10| YB
GND |8 9| YA
+----------+
HEF-4555
Dual 1-of-4 non-inverting decoder / demultiplexer.
+---+--+---+ +---+---+---+---+---+---+---+
/1EN |1 +--+ 16| VCC |/EN| S1| S0I Y0| Y1| Y2| Y3|
1S0 |2 15| /2EN +===+===+===+===+===+===+===+
1S1 |3 14| 2S0 | 1 | X | X I 0 | 0 | 0 | 0 |
1Y0 |4 13| 2S1 | 0 | 0 | 0 I 1 | 0 | 0 | 0 |
1Y1 |5 4555 12| 2Y0 | 0 | 0 | 1 I 0 | 1 | 0 | 0 |
1Y2 |6 11| 2Y1 | 0 | 1 | 0 I 0 | 0 | 1 | 0 |
1Y3 |7 10| 2Y2 | 0 | 1 | 1 I 0 | 0 | 0 | 1 |
GND |8 9| 2Y3 +---+---+---+---+---+---+---+
+----------+
HEF-4556
Dual 1-of-4 inverting decoder / demultiplexer.
+---+--+---+ +---+---+---+---+---+---+---+
/1EN |1 +--+ 16| VCC |/EN| S1| S0I/Y0|/Y1|/Y2|/Y3|
1S0 |2 15| /2EN +===+===+===+===+===+===+===+
1S1 |3 14| 2S0 | 1 | X | X I 1 | 1 | 1 | 1 |
/1Y0 |4 13| 2S1 | 0 | 0 | 0 I 0 | 1 | 1 | 1 |
/1Y1 |5 4556 12| /2Y0 | 0 | 0 | 1 I 1 | 0 | 1 | 1 |
/1Y2 |6 11| /2Y1 | 0 | 1 | 0 I 1 | 1 | 0 | 1 |
/1Y3 |7 10| /2Y2 | 0 | 1 | 1 I 1 | 1 | 1 | 0 |
GND |8 9| /2Y3 +---+---+---+---+---+---+---+
+----------+
HEF-4580
4 x 4-bit 3-state synchronous triple-port register file.
+-----+--+-----+
1Q3 |1 +--+ 24| VCC
1Q2 |2 23| 1Q1
1RD |3 22| 1Q0
2Q0 |4 21| 2RD
2Q1 |5 20| D0
2Q2 |6 19| D1
2Q3 |7 40108 18| D2
WA0 |8 17| D3
WA1 |9 16| WCLK
2RA1 |10 15| WR
2RA0 |11 14| 1RA1
GND |12 13| 1RA0
+--------------+
HEF-4585
4-bit non-inverting magnitude comparator with cascade inputs.
+---+--+---+
B2 |1 +--+ 16| VCC
A2 |2 15| A3
OA=B |3 14| B3
IA>B |4 13| OA>B
IA<B |5 4585 12| OA<B
IA=B |6 11| B0
A1 |7 10| A0
GND |8 9| B1
+----------+
HEF-4599
1-of-8 addressable latch with readback and reset.
+---+--+---+
Q7 |1 +--+ 18| VCC
RST |2 17| Q6
D |3 16| Q5
/WR |4 15| Q4
A0 |5 4599 14| Q3
A1 |6 13| Q2
A2 |7 12| Q1
CE |8 11| Q0
GND |9 10| /RD
+----------+
14500
Another excellent Industrial Control Unit.
RISC. An Alternative is the 'MC14500B
Industrial Control Unit Handbook' from Freescale (Motorola)
+---+--+---+
RST |1 +--+ 16| VCC
WR |2 15| RR
D |3 14| X0
I3 |4 13| X1
I2 |5 14500 12| JMP
I1 |6 11| RTN
I0 |7 10| FLG0
GND |8 9| FLGF
+----------+
HEF-40108
4 x 4-bit 3-state synchronous triple-port register file.
+-----+--+-----+
1Q3 |1 +--+ 24| VCC
1Q2 |2 23| 1Q1
1RD |3 22| 1Q0
2Q0 |4 21| 2RD
2Q1 |5 20| D0
2Q2 |6 19| D1
2Q3 |7 40108 18| D2
WA0 |8 17| D3
WA1 |9 16| WCLK
2RA1 |10 15| WR
2RA0 |11 14| 1RA1
GND |12 13| 1RA0
+--------------+
HEF-40208
4 x 4-bit 3-state synchronous triple-port register file.
+-----+--+-----+
1Q3 |1 +--+ 24| VCC
1Q2 |2 23| 1Q1
1RD |3 22| 1Q0
2Q0 |4 21| 2RD
2Q1 |5 20| D0
2Q2 |6 19| D1
2Q3 |7 40208 18| D2
WA0 |8 17| D3
WA1 |9 16| WCLK
2RA1 |10 15| WR
2RA0 |11 14| 1RA1
GND |12 13| 1RA0
+--------------+
" DISCLAIMER "
We believe the above information to be correct, however, typographical errors
can occur and it is for this very reason, we provide the above information "as is"
with "no Warranty" as to "correctness" nor to its "accuracy". Please, always
check with your " own data books " or via a "Google" search on the net.
Please notify us if you have discovered a typographical error and we will fix it.
E. &. O. E.
This page was upgraded December 31st 2013
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